TY - JOUR ID - 11015 TI - Nano Silica/ HIO4 as a Green and Reusable Catalyst for Synthesis of 2-Naphthol Azo Dyes under Grinding Conditions JO - International Journal of Nanoscience and Nanotechnology JA - IJNN LA - en SN - 1735-7004 AU - Bamoniri, A. AU - Pourali, A.R. AU - Nazifi, S.M.R. AD - Department of Organic Chemistry, Faculty of Chemistry, University of Kashan, Kashan, I.R.Iran AD - School of Chemistry, Damghan University, Damghan, I.R.Iran Y1 - 2014 PY - 2014 VL - 10 IS - 4 SP - 197 EP - 203 KW - Nanosilica periodic acid KW - azo dye KW - Diazonium salt KW - 2-naphthol KW - Solvent free DO - N2 - Nanosilica periodic acid (nano-SPIA) is found to be a new, powerful, and reusable heterogeneous catalyst for the rapid synthesis of 2-naphtholazo dyes via diazotization of aromatic amines and followsazo coupling with 2-naphthol under solvent-free conditions at room temperature by grinding. Eco-friendly, heterogeneous reaction conditions, high stability of diazonium salt, simple experimental procedures, and high yields are some of the important advantages of this method. UR - https://www.ijnnonline.net/article_11015.html L1 - https://www.ijnnonline.net/article_11015_22a3904c7c45141b8fb08e08486ab894.pdf ER -